update drone.yml

drone.yml

       from-secret: gpg-key
     passphrase:
       from-secret: gpg-pass
-    #detach_sign: true
-    #clear_sign: true
- files:
+    clear_sign: true
+    detach_sign: true
+    files:
       - release/*
- #excludes:
- #     - release/*.md5
+    excludes:
+      - release/*.md5
 
 # http://plugins.drone.io/drone-plugins/drone-gitea-release/
 # https://github.com/drone-plugins/drone-gitea-release